Meaning of CONCENTRATION in English

CONCENTRATION

noun

1 giving all your attention/effort to sth

ADJECTIVE

▪ deep , great , intense

▪ absolute , total

a look of total ~ on her face

▪ good

▪ poor

▪ exclusive

VERB + CONCENTRATION

▪ demand , need , require

The game requires great ~.

▪ lose

▪ break , disturb

Don's voice from outside broke my ~.

CONCENTRATION + NOUN

▪ lapse ( esp. AmE )

PREPOSITION

▪ ~ on

his ~ on his writing

PHRASES

▪ a lack of ~

▪ a lapse in ~ , a lapse of ~

One momentary lapse in ~ could prove fatal.

▪ powers of ~

She has great powers of ~ for a child her age.

2 large number/amount of sth in one place

ADJECTIVE

▪ elevated , great , heavy , high , large

The greatest ~ of traffic is downtown.

▪ low

▪ varying

▪ calcium , glucose , oxygen , salt , etc.

Evaporation gradually increases the salt ~ of the water.

▪ geographical

VERB + CONCENTRATION

▪ increase

▪ decrease , reduce

▪ calculate , determine , estimate

CONCENTRATION + VERB

▪ increase , rise

The ~ of nitrates in the drinking water has risen in recent years.

▪ decrease , fall

Oxford Collocations English Dictionary.      Оксфордский английский словарь словосочетаний .